steamos-venv-pre-commit.bash: evil note on pre-committing on SteamOS

bash/steamos-venv-pre-commit.bash

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+# This is a noteish on how to pre-commit on SteamOS
+set -x
+
+cd ~
+mkdir -p ~/.local/bin/
+# My pre-commit configuration expects to find a pypy
+ln -sf /usr/bin/python ~/.local/bin/pypy
+ln -sf /usr/bin/python3 ~/.local/bin/pypy3
+
+mkdir -p ~/venv
+python3 -m venv ~/venv
+. ~/venv/bin/activate
+python3 -m pip install pip --upgrade
+python3 -m pip install pre-commit --upgrade
+# Removes duplicates from $PATH. Copied from https://unix.stackexchange.com/a/14896
+PATH=$(echo "$PATH" | awk -v RS=':' -v ORS=":" '!a[$1]++{if (NR > 1) printf ORS; printf $a[$1]}')
+printf "Remember to apply the following somewhere appropiate:\nPATH=$PATH"
+
+set +x